Charging stand



FIG. 1 is a perspective view of a charging stand showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines of the wireless charging stand and the unshaded regions therein are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a charging stand, as shown and described. 